Remove std::string histogram name from HistogramBase object.

ui/gl/angle_platform_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gl/angle_platform_impl.h"
 
 #include "base/base64.h"
 #include "base/callback.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
@@ skipping 80 matching lines @@
                                              const char* name,
                                              int sample,
                                              int min,
                                              int max,
                                              int bucket_count) {
   // Copied from histogram macro, but without the static variable caching
   // the histogram because name is dynamic.
   base::HistogramBase* counter = base::Histogram::FactoryGet(
       name, min, max, bucket_count,
       base::HistogramBase::kUmaTargetedHistogramFlag);
-  DCHECK_EQ(name, counter->histogram_name());
   counter->Add(sample);
 }
 
 void ANGLEPlatformImpl_histogramEnumeration(PlatformMethods* platform,
                                             const char* name,
                                             int sample,
                                             int boundary_value) {
   // Copied from histogram macro, but without the static variable caching
   // the histogram because name is dynamic.
   base::HistogramBase* counter = base::LinearHistogram::FactoryGet(
       name, 1, boundary_value, boundary_value + 1,
       base::HistogramBase::kUmaTargetedHistogramFlag);
-  DCHECK_EQ(name, counter->histogram_name());
   counter->Add(sample);
 }
 
 void ANGLEPlatformImpl_histogramSparse(PlatformMethods* platform,
                                        const char* name,
                                        int sample) {
   // For sparse histograms, we can use the macro, as it does not incorporate a
   // static.
   UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample);
 }
@@ skipping 72 matching lines @@
 
 void SetCacheProgramCallback(CacheProgramCallback callback) {
   g_platform_context.Get().cache_program_callback = callback;
 }
 
 void ResetCacheProgramCallback() {
   g_platform_context.Get().cache_program_callback.Reset();
 }
 
 }  // namespace angle